2021112100022 has 4 divisors (see below), whose sum is σ = 3031668150036. Its totient is φ = 1010556050010.

The previous prime is 2021112100009. The next prime is 2021112100057. The reversal of 2021112100022 is 2200012111202.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505278025004 + ... + 505278025007.

It is an arithmetic number, because the mean of its divisors is an integer number (757917037509).

Almost surely, 2^{2021112100022} is an apocalyptic number.

2021112100022 is a deficient number, since it is larger than the sum of its proper divisors (1010556050014).

2021112100022 is a wasteful number, since it uses less digits than its factorization.

2021112100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010556050013.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021112100022 its reverse (2200012111202), we get a palindrome (4221124211224).

The spelling of 2021112100022 in words is "two trillion, twenty-one billion, one hundred twelve million, one hundred thousand, twenty-two".